Amazon.com: TKDY 18V 1A DC Power Supply Adapter, 110-240V AC to DC 18V 100mA~1000mA US Wall Charger for Logitech Squeezebox Radio, Bissell Bolt Vacuum 14.4V Max Pet Hair Eraser, Car Starter Jumper. :
Amazon.com: PERFEIDY 18V 1A 0.5A Charger 18.0V 1.0A 0.8A AC Adapter 18W Switching Power Supply DC 18V 1000mA 800mA 600mA 500mA 300mA Adaptor Regulated Transformer Cord with 10 Interchangeable Jacks Plug UL
Amazon.com: Security-01 AC to DC 18V 1A Power Supply Adapter,Plug 5.5mm x 2.1mm,Center Positive,UL Listed FCC,XH1800-1000w,Compatible with for 18volt 100mA-1000mA Equipment : Electronics